+++ /dev/null
-/*
- * System-dependent procedures for pppd under Solaris 2.
- *
- * Parts re-written by Adi Masputra <adi.masputra@sun.com>, based on
- * the original sys-svr4.c
- *
- * Copyright (c) 2000 by Sun Microsystems, Inc.
- * All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation is hereby granted, provided that the above copyright
- * notice appears in all copies.
- *
- * SUN MAKES NO REPRESENTATION OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES
- *
- * Copyright (c) 1995-2002 Paul Mackerras. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. The name(s) of the authors of this software must not be used to
- * endorse or promote products derived from this software without
- * prior written permission.
- *
- * 3. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by Paul Mackerras
- * <paulus@samba.org>".
- *
- * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
- * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
- * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Derived from main.c and pppd.h, which are:
- *
- * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The name "Carnegie Mellon University" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For permission or any legal
- * details, please contact
- * Office of Technology Transfer
- * Carnegie Mellon University
- * 5000 Forbes Avenue
- * Pittsburgh, PA 15213-3890
- * (412) 268-4387, fax: (412) 268-7395
- * tech-transfer@andrew.cmu.edu
- *
- * 4. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by Computing Services
- * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
- *
- * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
- * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
- * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
- * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#define RCSID "$Id: sys-svr4.c,v 1.46 2004/11/04 10:02:26 paulus Exp $"
-
-#include <limits.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <termios.h>
-#ifndef CRTSCTS
-#include <sys/termiox.h>
-#endif
-#include <signal.h>
-#include <utmpx.h>
-#include <sys/types.h>
-#include <sys/ioccom.h>
-#include <sys/stream.h>
-#include <sys/stropts.h>
-#include <sys/socket.h>
-#include <sys/sockio.h>
-#include <sys/sysmacros.h>
-#include <sys/systeminfo.h>
-#include <sys/dlpi.h>
-#include <sys/stat.h>
-#include <sys/mkdev.h>
-#include <net/if.h>
-#include <net/if_arp.h>
-#include <net/route.h>
-#include <net/ppp_defs.h>
-#include <net/pppio.h>
-#include <netinet/in.h>
-#ifdef SOL2
-#include <sys/tihdr.h>
-#include <sys/tiuser.h>
-#include <inet/common.h>
-#include <inet/mib2.h>
-#include <sys/ethernet.h>
-#endif
-
-#include "pppd.h"
-#include "fsm.h"
-#include "lcp.h"
-#include "ipcp.h"
-#include "ccp.h"
-
-#if !defined(PPP_DEV_NAME)
-#define PPP_DEV_NAME "/dev/ppp"
-#endif /* !defined(PPP_DEV_NAME) */
-
-#if !defined(AHDLC_MOD_NAME)
-#define AHDLC_MOD_NAME "ppp_ahdl"
-#endif /* !defined(AHDLC_MOD_NAME) */
-
-#if !defined(COMP_MOD_NAME)
-#define COMP_MOD_NAME "ppp_comp"
-#endif /* !defined(COMP_MOD_NAME) */
-
-#if !defined(IP_DEV_NAME)
-#define IP_DEV_NAME "/dev/ip"
-#endif /* !defined(IP_DEV_NAME) */
-
-#if !defined(IP_MOD_NAME)
-#define IP_MOD_NAME "ip"
-#endif /* !defined(IP_MOD_NAME) */
-
-#if !defined(UDP_DEV_NAME) && defined(SOL2)
-#define UDP_DEV_NAME "/dev/udp"
-#endif /* !defined(UDP_DEV_NAME) && defined(SOL2) */
-
-#if !defined(UDP6_DEV_NAME) && defined(SOL2)
-#define UDP6_DEV_NAME "/dev/udp6"
-#endif /* !defined(UDP6_DEV_NAME) && defined(SOL2) */
-
-static const char rcsid[] = RCSID;
-
-#if defined(SOL2)
-/*
- * "/dev/udp" is used as a multiplexor to PLINK the interface stream
- * under. It is used in place of "/dev/ip" since STREAMS will not let
- * a driver be PLINK'ed under itself, and "/dev/ip" is typically the
- * driver at the bottom of the tunneling interfaces stream.
- */
-static char *mux_dev_name = UDP_DEV_NAME;
-#else
-static char *mux_dev_name = IP_DEV_NAME;
-#endif
-static int pppfd;
-static int fdmuxid = -1;
-static int ipfd;
-static int ipmuxid = -1;
-
-#if defined(INET6) && defined(SOL2)
-static int ip6fd; /* IP file descriptor */
-static int ip6muxid = -1; /* Multiplexer file descriptor */
-static int if6_is_up = 0; /* IPv6 interface has been marked up */
-
-#define _IN6_LLX_FROM_EUI64(l, s, eui64, as) do { \
- s->sin6_addr.s6_addr32[0] = htonl(as); \
- eui64_copy(eui64, s->sin6_addr.s6_addr32[2]); \
- s->sin6_family = AF_INET6; \
- l.lifr_addr.ss_family = AF_INET6; \
- l.lifr_addrlen = 10; \
- l.lifr_addr = laddr; \
- } while (0)
-
-#define IN6_LLADDR_FROM_EUI64(l, s, eui64) \
- _IN6_LLX_FROM_EUI64(l, s, eui64, 0xfe800000)
-
-#define IN6_LLTOKEN_FROM_EUI64(l, s, eui64) \
- _IN6_LLX_FROM_EUI64(l, s, eui64, 0)
-
-#endif /* defined(INET6) && defined(SOL2) */
-
-#if defined(INET6) && defined(SOL2)
-static char first_ether_name[LIFNAMSIZ]; /* Solaris 8 and above */
-#else
-static char first_ether_name[IFNAMSIZ]; /* Before Solaris 8 */
-#define MAXIFS 256 /* Max # of interfaces */
-#endif /* defined(INET6) && defined(SOL2) */
-
-static int restore_term;
-static struct termios inittermios;
-#ifndef CRTSCTS
-static struct termiox inittermiox;
-static int termiox_ok;
-#endif
-static struct winsize wsinfo; /* Initial window size info */
-static pid_t tty_sid; /* original session ID for terminal */
-
-extern u_char inpacket_buf[]; /* borrowed from main.c */
-
-#define MAX_POLLFDS 32
-static struct pollfd pollfds[MAX_POLLFDS];
-static int n_pollfds;
-
-static int link_mtu, link_mru;
-
-#define NMODULES 32
-static int tty_nmodules;
-static char tty_modules[NMODULES][FMNAMESZ+1];
-static int tty_npushed;
-
-static int if_is_up; /* Interface has been marked up */
-static u_int32_t remote_addr; /* IP address of peer */
-static u_int32_t default_route_gateway; /* Gateway for default route added */
-static u_int32_t proxy_arp_addr; /* Addr for proxy arp entry added */
-
-/* Prototypes for procedures local to this file. */
-static int translate_speed __P((int));
-static int baud_rate_of __P((int));
-static int get_ether_addr __P((u_int32_t, struct sockaddr *));
-static int get_hw_addr __P((char *, u_int32_t, struct sockaddr *));
-static int get_hw_addr_dlpi __P((char *, struct sockaddr *));
-static int dlpi_attach __P((int, int));
-static int dlpi_info_req __P((int));
-static int dlpi_get_reply __P((int, union DL_primitives *, int, int));
-static int strioctl __P((int, int, void *, int, int));
-
-#ifdef SOL2
-/*
- * sifppa - Sets interface ppa
- *
- * without setting the ppa, ip module will return EINVAL upon setting the
- * interface UP (SIOCSxIFFLAGS). This is because ip module in 2.8 expects
- * two DLPI_INFO_REQ to be sent down to the driver (below ip) before
- * IFF_UP can be set. Plumbing the device causes one DLPI_INFO_REQ to
- * be sent down, and the second DLPI_INFO_REQ is sent upon receiving
- * IF_UNITSEL (old) or SIOCSLIFNAME (new) ioctls. Such setting of the ppa
- * is required because the ppp DLPI provider advertises itself as
- * a DLPI style 2 type, which requires a point of attachment to be
- * specified. The only way the user can specify a point of attachment
- * is via SIOCSLIFNAME or IF_UNITSEL.
- *
- * Such changes in the behavior of ip module was made to meet new or
- * evolving standards requirements.
- *
- */
-static int
-sifppa(fd, ppa)
- int fd;
- int ppa;
-{
- return (int)ioctl(fd, IF_UNITSEL, (char *)&ppa);
-}
-#endif /* SOL2 */
-
-#if defined(SOL2) && defined(INET6)
-/*
- * get_first_ethernet - returns the first Ethernet interface name found in
- * the system, or NULL if none is found
- *
- * NOTE: This is the lifreq version (Solaris 8 and above)
- */
-char *
-get_first_ethernet()
-{
- struct lifnum lifn;
- struct lifconf lifc;
- struct lifreq *plifreq;
- struct lifreq lifr;
- int fd, num_ifs, i, found;
- uint_t fl, req_size;
- char *req;
-
- fd = socket(AF_INET, SOCK_DGRAM, 0);
- if (fd < 0) {
- return 0;
- }
-
- /*
- * Find out how many interfaces are running
- */
- lifn.lifn_family = AF_UNSPEC;
- lifn.lifn_flags = LIFC_NOXMIT;
- if (ioctl(fd, SIOCGLIFNUM, &lifn) < 0) {
- close(fd);
- error("could not determine number of interfaces: %m");
- return 0;
- }
-
- num_ifs = lifn.lifn_count;
- req_size = num_ifs * sizeof(struct lifreq);
- req = malloc(req_size);
- if (req == NULL) {
- close(fd);
- error("out of memory");
- return 0;
- }
-
- /*
- * Get interface configuration info for all interfaces
- */
- lifc.lifc_family = AF_UNSPEC;
- lifc.lifc_flags = LIFC_NOXMIT;
- lifc.lifc_len = req_size;
- lifc.lifc_buf = req;
- if (ioctl(fd, SIOCGLIFCONF, &lifc) < 0) {
- close(fd);
- free(req);
- error("SIOCGLIFCONF: %m");
- return 0;
- }
-
- /*
- * And traverse each interface to look specifically for the first
- * occurence of an Ethernet interface which has been marked up
- */
- plifreq = lifc.lifc_req;
- found = 0;
- for (i = lifc.lifc_len / sizeof(struct lifreq); i > 0; i--, plifreq++) {
-
- if (strchr(plifreq->lifr_name, ':') != NULL)
- continue;
-
- memset(&lifr, 0, sizeof(lifr));
- strncpy(lifr.lifr_name, plifreq->lifr_name, sizeof(lifr.lifr_name));
- if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
- close(fd);
- free(req);
- error("SIOCGLIFFLAGS: %m");
- return 0;
- }
- fl = lifr.lifr_flags;
-
- if ((fl & (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
- != (IFF_UP | IFF_BROADCAST))
- continue;
-
- found = 1;
- break;
- }
- free(req);
- close(fd);
-
- if (found) {
- strncpy(first_ether_name, lifr.lifr_name, sizeof(first_ether_name));
- return (char *)first_ether_name;
- } else
- return NULL;
-}
-#else
-/*
- * get_first_ethernet - returns the first Ethernet interface name found in
- * the system, or NULL if none is found
- *
- * NOTE: This is the ifreq version (before Solaris 8).
- */
-char *
-get_first_ethernet()
-{
- struct ifconf ifc;
- struct ifreq *pifreq;
- struct ifreq ifr;
- int fd, num_ifs, i, found;
- uint_t fl, req_size;
- char *req;
-
- fd = socket(AF_INET, SOCK_DGRAM, 0);
- if (fd < 0) {
- return 0;
- }
-
- /*
- * Find out how many interfaces are running
- */
- if (ioctl(fd, SIOCGIFNUM, (char *)&num_ifs) < 0) {
- num_ifs = MAXIFS;
- }
-
- req_size = num_ifs * sizeof(struct ifreq);
- req = malloc(req_size);
- if (req == NULL) {
- close(fd);
- error("out of memory");
- return 0;
- }
-
- /*
- * Get interface configuration info for all interfaces
- */
- ifc.ifc_len = req_size;
- ifc.ifc_buf = req;
- if (ioctl(fd, SIOCGIFCONF, &ifc) < 0) {
- close(fd);
- free(req);
- error("SIOCGIFCONF: %m");
- return 0;
- }
-
- /*
- * And traverse each interface to look specifically for the first
- * occurence of an Ethernet interface which has been marked up
- */
- pifreq = ifc.ifc_req;
- found = 0;
- for (i = ifc.ifc_len / sizeof(struct ifreq); i > 0; i--, pifreq++) {
-
- if (strchr(pifreq->ifr_name, ':') != NULL)
- continue;
-
- memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, pifreq->ifr_name, sizeof(ifr.ifr_name));
- if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
- close(fd);
- free(req);
- error("SIOCGIFFLAGS: %m");
- return 0;
- }
- fl = ifr.ifr_flags;
-
- if ((fl & (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
- != (IFF_UP | IFF_BROADCAST))
- continue;
-
- found = 1;
- break;
- }
- free(req);
- close(fd);
-
- if (found) {
- strncpy(first_ether_name, ifr.ifr_name, sizeof(first_ether_name));
- return (char *)first_ether_name;
- } else
- return NULL;
-}
-#endif /* defined(SOL2) && defined(INET6) */
-
-#if defined(SOL2)
-/*
- * get_if_hwaddr - get the hardware address for the specified
- * network interface device.
- */
-int
-get_if_hwaddr(u_char *addr, char *if_name)
-{
- struct sockaddr s_eth_addr;
- struct ether_addr *eth_addr = (struct ether_addr *)&s_eth_addr.sa_data;
-
- if (if_name == NULL)
- return -1;
-
- /*
- * Send DL_INFO_REQ to the driver to solicit its MAC address
- */
- if (!get_hw_addr_dlpi(if_name, &s_eth_addr)) {
- error("could not obtain hardware address for %s", if_name);
- return -1;
- }
-
- memcpy(addr, eth_addr->ether_addr_octet, 6);
- return 1;
-}
-#endif /* SOL2 */
-
-#if defined(SOL2) && defined(INET6)
-/*
- * slifname - Sets interface ppa and flags
- *
- * in addition to the comments stated in sifppa(), IFF_IPV6 bit must
- * be set in order to declare this as an IPv6 interface
- */
-static int
-slifname(fd, ppa)
- int fd;
- int ppa;
-{
- struct lifreq lifr;
- int ret;
-
- memset(&lifr, 0, sizeof(lifr));
- ret = ioctl(fd, SIOCGLIFFLAGS, &lifr);
- if (ret < 0)
- goto slifname_done;
-
- lifr.lifr_flags |= IFF_IPV6;
- lifr.lifr_flags &= ~(IFF_BROADCAST | IFF_IPV4);
- lifr.lifr_ppa = ppa;
- strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
-
- ret = ioctl(fd, SIOCSLIFNAME, &lifr);
-
-slifname_done:
- return ret;
-
-
-}
-
-
-/*
- * ether_to_eui64 - Convert 48-bit Ethernet address into 64-bit EUI
- *
- * walks the list of valid ethernet interfaces, and convert the first
- * found 48-bit MAC address into EUI 64. caller also assumes that
- * the system has a properly configured Ethernet interface for this
- * function to return non-zero.
- */
-int
-ether_to_eui64(eui64_t *p_eui64)
-{
- struct sockaddr s_eth_addr;
- struct ether_addr *eth_addr = (struct ether_addr *)&s_eth_addr.sa_data;
- char *if_name;
-
- if ((if_name = get_first_ethernet()) == NULL) {
- error("no persistent id can be found");
- return 0;
- }
-
- /*
- * Send DL_INFO_REQ to the driver to solicit its MAC address
- */
- if (!get_hw_addr_dlpi(if_name, &s_eth_addr)) {
- error("could not obtain hardware address for %s", if_name);
- return 0;
- }
-
- /*
- * And convert the EUI-48 into EUI-64, per RFC 2472 [sec 4.1]
- */
- p_eui64->e8[0] = (eth_addr->ether_addr_octet[0] & 0xFF) | 0x02;
- p_eui64->e8[1] = (eth_addr->ether_addr_octet[1] & 0xFF);
- p_eui64->e8[2] = (eth_addr->ether_addr_octet[2] & 0xFF);
- p_eui64->e8[3] = 0xFF;
- p_eui64->e8[4] = 0xFE;
- p_eui64->e8[5] = (eth_addr->ether_addr_octet[3] & 0xFF);
- p_eui64->e8[6] = (eth_addr->ether_addr_octet[4] & 0xFF);
- p_eui64->e8[7] = (eth_addr->ether_addr_octet[5] & 0xFF);
-
- return 1;
-}
-#endif /* defined(SOL2) && defined(INET6) */
-
-/*
- * sys_init - System-dependent initialization.
- */
-void
-sys_init()
-{
- int ifd, x;
- struct ifreq ifr;
-#if defined(INET6) && defined(SOL2)
- int i6fd;
- struct lifreq lifr;
-#endif /* defined(INET6) && defined(SOL2) */
-#if !defined(SOL2)
- struct {
- union DL_primitives prim;
- char space[64];
- } reply;
-#endif /* !defined(SOL2) */
-
- ipfd = open(mux_dev_name, O_RDWR, 0);
- if (ipfd < 0)
- fatal("Couldn't open IP device: %m");
-
-#if defined(INET6) && defined(SOL2)
- ip6fd = open(UDP6_DEV_NAME, O_RDWR, 0);
- if (ip6fd < 0)
- fatal("Couldn't open IP device (2): %m");
-#endif /* defined(INET6) && defined(SOL2) */
-
- if (default_device && !notty)
- tty_sid = getsid((pid_t)0);
-
- pppfd = open(PPP_DEV_NAME, O_RDWR | O_NONBLOCK, 0);
- if (pppfd < 0)
- fatal("Can't open %s: %m", PPP_DEV_NAME);
- if (kdebugflag & 1) {
- x = PPPDBG_LOG + PPPDBG_DRIVER;
- strioctl(pppfd, PPPIO_DEBUG, &x, sizeof(int), 0);
- }
-
- /* Assign a new PPA and get its unit number. */
- if (strioctl(pppfd, PPPIO_NEWPPA, &ifunit, 0, sizeof(int)) < 0)
- fatal("Can't create new PPP interface: %m");
-
-#if defined(SOL2)
- /*
- * Since sys_init() is called prior to ifname being set in main(),
- * we need to get the ifname now, otherwise slifname(), and others,
- * will fail, or maybe, I should move them to a later point ?
- * <adi.masputra@sun.com>
- */
- sprintf(ifname, "ppp%d", ifunit);
-#endif /* defined(SOL2) */
- /*
- * Open the ppp device again and link it under the ip multiplexor.
- * IP will assign a unit number which hopefully is the same as ifunit.
- * I don't know any way to be certain they will be the same. :-(
- */
- ifd = open(PPP_DEV_NAME, O_RDWR, 0);
- if (ifd < 0)
- fatal("Can't open %s (2): %m", PPP_DEV_NAME);
- if (kdebugflag & 1) {
- x = PPPDBG_LOG + PPPDBG_DRIVER;
- strioctl(ifd, PPPIO_DEBUG, &x, sizeof(int), 0);
- }
-
-#if defined(INET6) && defined(SOL2)
- i6fd = open(PPP_DEV_NAME, O_RDWR, 0);
- if (i6fd < 0) {
- close(ifd);
- fatal("Can't open %s (3): %m", PPP_DEV_NAME);
- }
- if (kdebugflag & 1) {
- x = PPPDBG_LOG + PPPDBG_DRIVER;
- strioctl(i6fd, PPPIO_DEBUG, &x, sizeof(int), 0);
- }
-#endif /* defined(INET6) && defined(SOL2) */
-
-#if defined(SOL2)
- if (ioctl(ifd, I_PUSH, IP_MOD_NAME) < 0) {
- close(ifd);
-#if defined(INET6)
- close(i6fd);
-#endif /* defined(INET6) */
- fatal("Can't push IP module: %m");
- }
-
- /*
- * Assign ppa according to the unit number returned by ppp device
- * after plumbing is completed above.
- */
- if (sifppa(ifd, ifunit) < 0) {
- close (ifd);
-#if defined(INET6)
- close(i6fd);
-#endif /* defined(INET6) */
- fatal("Can't set ppa for unit %d: %m", ifunit);
- }
-
-#if defined(INET6)
- /*
- * An IPv6 interface is created anyway, even when the user does not
- * explicitly enable it. Note that the interface will be marked
- * IPv6 during slifname().
- */
- if (ioctl(i6fd, I_PUSH, IP_MOD_NAME) < 0) {
- close(ifd);
- close(i6fd);
- fatal("Can't push IP module (2): %m");
- }
-
- /*
- * Assign ppa according to the unit number returned by ppp device
- * after plumbing is completed above. In addition, mark the interface
- * as an IPv6 interface.
- */
- if (slifname(i6fd, ifunit) < 0) {
- close(ifd);
- close(i6fd);
- fatal("Can't set ifname for unit %d: %m", ifunit);
- }
-#endif /* defined(INET6) */
-
- ipmuxid = ioctl(ipfd, I_PLINK, ifd);
- close(ifd);
- if (ipmuxid < 0) {
-#if defined(INET6)
- close(i6fd);
-#endif /* defined(INET6) */
- fatal("Can't I_PLINK PPP device to IP: %m");
- }
-
- memset(&ifr, 0, sizeof(ifr));
- sprintf(ifr.ifr_name, "%s", ifname);
- ifr.ifr_ip_muxid = ipmuxid;
-
- /*
- * In Sol 8 and later, STREAMS dynamic module plumbing feature exists.
- * This is so that an arbitrary module can be inserted, or deleted,
- * between ip module and the device driver without tearing down the
- * existing stream. Such feature requires the mux ids, which is set
- * by SIOCSIFMUXID (or SIOCLSIFMUXID).
- */
- if (ioctl(ipfd, SIOCSIFMUXID, &ifr) < 0) {
- ioctl(ipfd, I_PUNLINK, ipmuxid);
-#if defined(INET6)
- close(i6fd);
-#endif /* defined(INET6) */
- fatal("SIOCSIFMUXID: %m");
- }
-
-#else /* else if !defined(SOL2) */
-
- if (dlpi_attach(ifd, ifunit) < 0 ||
- dlpi_get_reply(ifd, &reply.prim, DL_OK_ACK, sizeof(reply)) < 0) {
- close(ifd);
- fatal("Can't attach to ppp%d: %m", ifunit);
- }
-
- ipmuxid = ioctl(ipfd, I_LINK, ifd);
- close(ifd);
- if (ipmuxid < 0)
- fatal("Can't link PPP device to IP: %m");
-#endif /* defined(SOL2) */
-
-#if defined(INET6) && defined(SOL2)
- ip6muxid = ioctl(ip6fd, I_PLINK, i6fd);
- close(i6fd);
- if (ip6muxid < 0) {
- ioctl(ipfd, I_PUNLINK, ipmuxid);
- fatal("Can't I_PLINK PPP device to IP (2): %m");
- }
-
- memset(&lifr, 0, sizeof(lifr));
- sprintf(lifr.lifr_name, "%s", ifname);
- lifr.lifr_ip_muxid = ip6muxid;
-
- /*
- * Let IP know of the mux id [see comment for SIOCSIFMUXID above]
- */
- if (ioctl(ip6fd, SIOCSLIFMUXID, &lifr) < 0) {
- ioctl(ipfd, I_PUNLINK, ipmuxid);
- ioctl(ip6fd, I_PUNLINK, ip6muxid);
- fatal("Can't link PPP device to IP (2): %m");
- }
-#endif /* defined(INET6) && defined(SOL2) */
-
-#if !defined(SOL2)
- /* Set the interface name for the link. */
- slprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "ppp%d", ifunit);
- ifr.ifr_metric = ipmuxid;
- if (strioctl(ipfd, SIOCSIFNAME, (char *)&ifr, sizeof ifr, 0) < 0)
- fatal("Can't set interface name %s: %m", ifr.ifr_name);
-#endif /* !defined(SOL2) */
-
- n_pollfds = 0;
-}
-
-/*
- * sys_cleanup - restore any system state we modified before exiting:
- * mark the interface down, delete default route and/or proxy arp entry.
- * This should call die() because it's called from die().
- */
-void
-sys_cleanup()
-{
-#if defined(SOL2)
- struct ifreq ifr;
-#if defined(INET6)
- struct lifreq lifr;
-#endif /* defined(INET6) */
-#endif /* defined(SOL2) */
-
-#if defined(SOL2) && defined(INET6)
- if (if6_is_up)
- sif6down(0);
-#endif /* defined(SOL2) && defined(INET6) */
- if (if_is_up)
- sifdown(0);
- if (default_route_gateway)
- cifdefaultroute(0, default_route_gateway, default_route_gateway);
- if (proxy_arp_addr)
- cifproxyarp(0, proxy_arp_addr);
-#if defined(SOL2)
- /*
- * Make sure we ask ip what the muxid, because 'ifconfig modlist' will
- * unlink and re-link the modules, causing the muxid to change.
- */
- memset(&ifr, 0, sizeof(ifr));
- sprintf(ifr.ifr_name, "%s", ifname);
- if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
- error("SIOCGIFFLAGS: %m");
- return;
- }
-
- if (ioctl(ipfd, SIOCGIFMUXID, &ifr) < 0) {
- error("SIOCGIFMUXID: %m");
- return;
- }
-
- ipmuxid = ifr.ifr_ip_muxid;
-
- if (ioctl(ipfd, I_PUNLINK, ipmuxid) < 0) {
- error("Can't I_PUNLINK PPP from IP: %m");
- return;
- }
-#if defined(INET6)
- /*
- * Make sure we ask ip what the muxid, because 'ifconfig modlist' will
- * unlink and re-link the modules, causing the muxid to change.
- */
- memset(&lifr, 0, sizeof(lifr));
- sprintf(lifr.lifr_name, "%s", ifname);
- if (ioctl(ip6fd, SIOCGLIFFLAGS, &lifr) < 0) {
- error("SIOCGLIFFLAGS: %m");
- return;
- }
-
- if (ioctl(ip6fd, SIOCGLIFMUXID, &lifr) < 0) {
- error("SIOCGLIFMUXID: %m");
- return;
- }
-
- ip6muxid = lifr.lifr_ip_muxid;
-
- if (ioctl(ip6fd, I_PUNLINK, ip6muxid) < 0) {
- error("Can't I_PUNLINK PPP from IP (2): %m");
- }
-#endif /* defined(INET6) */
-#endif /* defined(SOL2) */
-}
-
-/*
- * sys_close - Clean up in a child process before execing.
- */
-void
-sys_close()
-{
- close(ipfd);
-#if defined(INET6) && defined(SOL2)
- close(ip6fd);
-#endif /* defined(INET6) && defined(SOL2) */
- if (pppfd >= 0)
- close(pppfd);
-}
-
-/*
- * sys_check_options - check the options that the user specified
- */
-int
-sys_check_options()
-{
- return 1;
-}
-
-#if 0
-/*
- * daemon - Detach us from controlling terminal session.
- */
-int
-daemon(nochdir, noclose)
- int nochdir, noclose;
-{
- int pid;
-
- if ((pid = fork()) < 0)
- return -1;
- if (pid != 0)
- exit(0); /* parent dies */
- setsid();
- if (!nochdir)
- chdir("/");
- if (!noclose) {
- fclose(stdin); /* don't need stdin, stdout, stderr */
- fclose(stdout);
- fclose(stderr);
- }
- return 0;
-}
-#endif
-
-/*
- * ppp_available - check whether the system has any ppp interfaces
- */
-int
-ppp_available()
-{
- struct stat buf;
-
- return stat(PPP_DEV_NAME, &buf) >= 0;
-}
-
-/*
- * any_compressions - see if compression is enabled or not
- *
- * In the STREAMS implementation of kernel-portion pppd,
- * the comp STREAMS module performs the ACFC, PFC, as well
- * CCP and VJ compressions. However, if the user has explicitly
- * declare to not enable them from the command line, there is
- * no point of having the comp module be pushed on the stream.
- */
-static int
-any_compressions()
-{
- if ((!lcp_wantoptions[0].neg_accompression) &&
- (!lcp_wantoptions[0].neg_pcompression) &&
- (!ccp_protent.enabled_flag) &&
- (!ipcp_wantoptions[0].neg_vj)) {
- return 0;
- }
- return 1;
-}
-
-/*
- * establish_ppp - Turn the serial port into a ppp interface.
- */
-int
-establish_ppp(fd)
- int fd;
-{
- int i;
-
- /* Pop any existing modules off the tty stream. */
- for (i = 0;; ++i)
- if (ioctl(fd, I_LOOK, tty_modules[i]) < 0
- || strcmp(tty_modules[i], "ptem") == 0
- || ioctl(fd, I_POP, 0) < 0)
- break;
- tty_nmodules = i;
-
- /* Push the async hdlc module and the compressor module. */
- tty_npushed = 0;
-
- if(!sync_serial) {
- if (ioctl(fd, I_PUSH, AHDLC_MOD_NAME) < 0) {
- error("Couldn't push PPP Async HDLC module: %m");
- return -1;
- }
- ++tty_npushed;
- }
- if (kdebugflag & 4) {
- i = PPPDBG_LOG + PPPDBG_AHDLC;
- strioctl(pppfd, PPPIO_DEBUG, &i, sizeof(int), 0);
- }
- /*
- * There's no need to push comp module if we don't intend
- * to compress anything
- */
- if (any_compressions()) {
- if (ioctl(fd, I_PUSH, COMP_MOD_NAME) < 0)
- error("Couldn't push PPP compression module: %m");
- else
- ++tty_npushed;
- }
-
- if (kdebugflag & 2) {
- i = PPPDBG_LOG;
- if (any_compressions())
- i += PPPDBG_COMP;
- strioctl(pppfd, PPPIO_DEBUG, &i, sizeof(int), 0);
- }
-
- /* Link the serial port under the PPP multiplexor. */
- if ((fdmuxid = ioctl(pppfd, I_LINK, fd)) < 0) {
- error("Can't link tty to PPP mux: %m");
- return -1;
- }
-
- return pppfd;
-}
-
-/*
- * restore_loop - reattach the ppp unit to the loopback.
- * This doesn't need to do anything because disestablish_ppp does it.
- */
-void
-restore_loop()
-{
-}
-
-/*
- * disestablish_ppp - Restore the serial port to normal operation.
- * It attempts to reconstruct the stream with the previously popped
- * modules. This shouldn't call die() because it's called from die().
- */
-void
-disestablish_ppp(fd)
- int fd;
-{
- int i;
-
- if (fdmuxid >= 0) {
- if (ioctl(pppfd, I_UNLINK, fdmuxid) < 0) {
- if (!hungup)
- error("Can't unlink tty from PPP mux: %m");
- }
- fdmuxid = -1;
-
- if (!hungup) {
- while (tty_npushed > 0 && ioctl(fd, I_POP, 0) >= 0)
- --tty_npushed;
- for (i = tty_nmodules - 1; i >= 0; --i)
- if (ioctl(fd, I_PUSH, tty_modules[i]) < 0)
- error("Couldn't restore tty module %s: %m",
- tty_modules[i]);
- }
- if (hungup && default_device && tty_sid > 0) {
- /*
- * If we have received a hangup, we need to send a SIGHUP
- * to the terminal's controlling process. The reason is
- * that the original stream head for the terminal hasn't
- * seen the M_HANGUP message (it went up through the ppp
- * driver to the stream head for our fd to /dev/ppp).
- */
- kill(tty_sid, SIGHUP);
- }
- }
-}
-
-/*
- * Check whether the link seems not to be 8-bit clean.
- */
-void
-clean_check()
-{
- int x;
- char *s;
-
- if (strioctl(pppfd, PPPIO_GCLEAN, &x, 0, sizeof(x)) < 0)
- return;
- s = NULL;
- switch (~x) {
- case RCV_B7_0:
- s = "bit 7 set to 1";
- break;
- case RCV_B7_1:
- s = "bit 7 set to 0";
- break;
- case RCV_EVNP:
- s = "odd parity";
- break;
- case RCV_ODDP:
- s = "even parity";
- break;
- }
- if (s != NULL) {
- warn("Serial link is not 8-bit clean:");
- warn("All received characters had %s", s);
- }
-}
-
-/*
- * List of valid speeds.
- */
-struct speed {
- int speed_int, speed_val;
-} speeds[] = {
-#ifdef B50
- { 50, B50 },
-#endif
-#ifdef B75
- { 75, B75 },
-#endif
-#ifdef B110
- { 110, B110 },
-#endif
-#ifdef B134
- { 134, B134 },
-#endif
-#ifdef B150
- { 150, B150 },
-#endif
-#ifdef B200
- { 200, B200 },
-#endif
-#ifdef B300
- { 300, B300 },
-#endif
-#ifdef B600
- { 600, B600 },
-#endif
-#ifdef B1200
- { 1200, B1200 },
-#endif
-#ifdef B1800
- { 1800, B1800 },
-#endif
-#ifdef B2000
- { 2000, B2000 },
-#endif
-#ifdef B2400
- { 2400, B2400 },
-#endif
-#ifdef B3600
- { 3600, B3600 },
-#endif
-#ifdef B4800
- { 4800, B4800 },
-#endif
-#ifdef B7200
- { 7200, B7200 },
-#endif
-#ifdef B9600
- { 9600, B9600 },
-#endif
-#ifdef B19200
- { 19200, B19200 },
-#endif
-#ifdef B38400
- { 38400, B38400 },
-#endif
-#ifdef EXTA
- { 19200, EXTA },
-#endif
-#ifdef EXTB
- { 38400, EXTB },
-#endif
-#ifdef B57600
- { 57600, B57600 },
-#endif
-#ifdef B76800
- { 76800, B76800 },
-#endif
-#ifdef B115200
- { 115200, B115200 },
-#endif
-#ifdef B153600
- { 153600, B153600 },
-#endif
-#ifdef B230400
- { 230400, B230400 },
-#endif
-#ifdef B307200
- { 307200, B307200 },
-#endif
-#ifdef B460800
- { 460800, B460800 },
-#endif
- { 0, 0 }
-};
-
-/*
- * Translate from bits/second to a speed_t.
- */
-static int
-translate_speed(bps)
- int bps;
-{
- struct speed *speedp;
-
- if (bps == 0)
- return 0;
- for (speedp = speeds; speedp->speed_int; speedp++)
- if (bps == speedp->speed_int)
- return speedp->speed_val;
- warn("speed %d not supported", bps);
- return 0;
-}
-
-/*
- * Translate from a speed_t to bits/second.
- */
-static int
-baud_rate_of(speed)
- int speed;
-{
- struct speed *speedp;
-
- if (speed == 0)
- return 0;
- for (speedp = speeds; speedp->speed_int; speedp++)
- if (speed == speedp->speed_val)
- return speedp->speed_int;
- return 0;
-}
-
-/*
- * set_up_tty: Set up the serial port on `fd' for 8 bits, no parity,
- * at the requested speed, etc. If `local' is true, set CLOCAL
- * regardless of whether the modem option was specified.
- */
-void
-set_up_tty(fd, local)
- int fd, local;
-{
- int speed;
- struct termios tios;
-#if !defined (CRTSCTS)
- struct termiox tiox;
-#endif
-
- if (!sync_serial && tcgetattr(fd, &tios) < 0)
- fatal("tcgetattr: %m");
-
-#ifndef CRTSCTS
- termiox_ok = 1;
- if (!sync_serial && ioctl (fd, TCGETX, &tiox) < 0) {
- termiox_ok = 0;
- if (errno != ENOTTY)
- error("TCGETX: %m");
- }
-#endif
-
- if (!restore_term) {
- inittermios = tios;
-#ifndef CRTSCTS
- inittermiox = tiox;
-#endif
- if (!sync_serial)
- ioctl(fd, TIOCGWINSZ, &wsinfo);
- }
-
- tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB | CLOCAL);
-#ifdef CRTSCTS
- if (crtscts > 0)
- tios.c_cflag |= CRTSCTS;
- else if (crtscts < 0)
- tios.c_cflag &= ~CRTSCTS;
-#else
- if (crtscts != 0 && !termiox_ok) {
- error("Can't set RTS/CTS flow control");
- } else if (crtscts > 0) {
- tiox.x_hflag |= RTSXOFF|CTSXON;
- } else if (crtscts < 0) {
- tiox.x_hflag &= ~(RTSXOFF|CTSXON);
- }
-#endif
-
- tios.c_cflag |= CS8 | CREAD | HUPCL;
- if (local || !modem)
- tios.c_cflag |= CLOCAL;
- tios.c_iflag = IGNBRK | IGNPAR;
- tios.c_oflag = 0;
- tios.c_lflag = 0;
- tios.c_cc[VMIN] = 1;
- tios.c_cc[VTIME] = 0;
-
- if (crtscts == -2) {
- tios.c_iflag |= IXON | IXOFF;
- tios.c_cc[VSTOP] = 0x13; /* DC3 = XOFF = ^S */
- tios.c_cc[VSTART] = 0x11; /* DC1 = XON = ^Q */
- }
-
- speed = translate_speed(inspeed);
- if (speed) {
- cfsetospeed(&tios, speed);
- cfsetispeed(&tios, speed);
- } else {
- speed = cfgetospeed(&tios);
- /*
- * We can't proceed if the serial port speed is 0,
- * since that implies that the serial port is disabled.
- */
- if ((speed == B0) && !sync_serial)
- fatal("Baud rate for %s is 0; need explicit baud rate", devnam);
- }
-
- if (!sync_serial && tcsetattr(fd, TCSAFLUSH, &tios) < 0)
- fatal("tcsetattr: %m");
-
-#ifndef CRTSCTS
- if (!sync_serial && termiox_ok && ioctl (fd, TCSETXF, &tiox) < 0){
- error("TCSETXF: %m");
- }
-#endif
-
- baud_rate = inspeed = baud_rate_of(speed);
- if (!sync_serial)
- restore_term = 1;
-}
-
-/*
- * restore_tty - restore the terminal to the saved settings.
- */
-void
-restore_tty(fd)
- int fd;
-{
- if (restore_term) {
- if (!default_device) {
- /*
- * Turn off echoing, because otherwise we can get into
- * a loop with the tty and the modem echoing to each other.
- * We presume we are the sole user of this tty device, so
- * when we close it, it will revert to its defaults anyway.
- */
- inittermios.c_lflag &= ~(ECHO | ECHONL);
- }
- if (!sync_serial && tcsetattr(fd, TCSAFLUSH, &inittermios) < 0)
- if (!hungup && errno != ENXIO)
- warn("tcsetattr: %m");
-#ifndef CRTSCTS
- if (!sync_serial && ioctl (fd, TCSETXF, &inittermiox) < 0){
- if (!hungup && errno != ENXIO)
- error("TCSETXF: %m");
- }
-#endif
- if (!sync_serial)
- ioctl(fd, TIOCSWINSZ, &wsinfo);
- restore_term = 0;
- }
-}
-
-/*
- * setdtr - control the DTR line on the serial port.
- * This is called from die(), so it shouldn't call die().
- */
-void
-setdtr(fd, on)
-int fd, on;
-{
- int modembits = TIOCM_DTR;
-
- ioctl(fd, (on? TIOCMBIS: TIOCMBIC), &modembits);
-}
-
-/*
- * open_loopback - open the device we use for getting packets
- * in demand mode. Under Solaris 2, we use our existing fd
- * to the ppp driver.
- */
-int
-open_ppp_loopback()
-{
- return pppfd;
-}
-
-/*
- * output - Output PPP packet.
- */
-void
-output(unit, p, len)
- int unit;
- u_char *p;
- int len;
-{
- struct strbuf data;
- int retries;
- struct pollfd pfd;
-
- dump_packet("sent", p, len);
- if (snoop_send_hook) snoop_send_hook(p, len);
-
- data.len = len;
- data.buf = (caddr_t) p;
- retries = 4;
- while (putmsg(pppfd, NULL, &data, 0) < 0) {
- if (--retries < 0 || (errno != EWOULDBLOCK && errno != EAGAIN)) {
- if (errno != ENXIO)
- error("Couldn't send packet: %m");
- break;
- }
- pfd.fd = pppfd;
- pfd.events = POLLOUT;
- poll(&pfd, 1, 250); /* wait for up to 0.25 seconds */
- }
-}
-
-
-/*
- * wait_input - wait until there is data available,
- * for the length of time specified by *timo (indefinite
- * if timo is NULL).
- */
-void
-wait_input(timo)
- struct timeval *timo;
-{
- int t;
-
- t = timo == NULL? -1: timo->tv_sec * 1000 + timo->tv_usec / 1000;
- if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR)
- fatal("poll: %m");
-}
-
-/*
- * add_fd - add an fd to the set that wait_input waits for.
- */
-void add_fd(fd)
- int fd;
-{
- int n;
-
- for (n = 0; n < n_pollfds; ++n)
- if (pollfds[n].fd == fd)
- return;
- if (n_pollfds < MAX_POLLFDS) {
- pollfds[n_pollfds].fd = fd;
- pollfds[n_pollfds].events = POLLIN | POLLPRI | POLLHUP;
- ++n_pollfds;
- } else
- error("Too many inputs!");
-}
-
-/*
- * remove_fd - remove an fd from the set that wait_input waits for.
- */
-void remove_fd(fd)
- int fd;
-{
- int n;
-
- for (n = 0; n < n_pollfds; ++n) {
- if (pollfds[n].fd == fd) {
- while (++n < n_pollfds)
- pollfds[n-1] = pollfds[n];
- --n_pollfds;
- break;
- }
- }
-}
-
-#if 0
-/*
- * wait_loop_output - wait until there is data available on the
- * loopback, for the length of time specified by *timo (indefinite
- * if timo is NULL).
- */
-void
-wait_loop_output(timo)
- struct timeval *timo;
-{
- wait_input(timo);
-}
-
-/*
- * wait_time - wait for a given length of time or until a
- * signal is received.
- */
-void
-wait_time(timo)
- struct timeval *timo;
-{
- int n;
-
- n = select(0, NULL, NULL, NULL, timo);
- if (n < 0 && errno != EINTR)
- fatal("select: %m");
-}
-#endif
-
-
-/*
- * read_packet - get a PPP packet from the serial device.
- */
-int
-read_packet(buf)
- u_char *buf;
-{
- struct strbuf ctrl, data;
- int flags, len;
- unsigned char ctrlbuf[sizeof(union DL_primitives) + 64];
-
- for (;;) {
- data.maxlen = PPP_MRU + PPP_HDRLEN;
- data.buf = (caddr_t) buf;
- ctrl.maxlen = sizeof(ctrlbuf);
- ctrl.buf = (caddr_t) ctrlbuf;
- flags = 0;
- len = getmsg(pppfd, &ctrl, &data, &flags);
- if (len < 0) {
- if (errno == EAGAIN || errno == EINTR)
- return -1;
- fatal("Error reading packet: %m");
- }
-
- if (ctrl.len <= 0)
- return data.len;
-
- /*
- * Got a M_PROTO or M_PCPROTO message. Interpret it
- * as a DLPI primitive??
- */
- if (debug)
- dbglog("got dlpi prim 0x%x, len=%d",
- ((union DL_primitives *)ctrlbuf)->dl_primitive, ctrl.len);
-
- }
-}
-
-/*
- * get_loop_output - get outgoing packets from the ppp device,
- * and detect when we want to bring the real link up.
- * Return value is 1 if we need to bring up the link, 0 otherwise.
- */
-int
-get_loop_output()
-{
- int len;
- int rv = 0;
-
- while ((len = read_packet(inpacket_buf)) > 0) {
- if (loop_frame(inpacket_buf, len))
- rv = 1;
- }
- return rv;
-}
-
-/*
- * ppp_send_config - configure the transmit characteristics of
- * the ppp interface.
- */
-void
-ppp_send_config(unit, mtu, asyncmap, pcomp, accomp)
- int unit, mtu;
- u_int32_t asyncmap;
- int pcomp, accomp;
-{
- int cf[2];
- struct ifreq ifr;
-#if defined(INET6) && defined(SOL2)
- struct lifreq lifr;
- int fd;
-#endif /* defined(INET6) && defined(SOL2) */
-
- link_mtu = mtu;
- if (strioctl(pppfd, PPPIO_MTU, &mtu, sizeof(mtu), 0) < 0) {
- if (hungup && errno == ENXIO)
- return;
- error("Couldn't set MTU: %m");
- }
- if (fdmuxid >= 0) {
- if (!sync_serial) {
- if (strioctl(pppfd, PPPIO_XACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
- error("Couldn't set transmit ACCM: %m");
- }
- }
- cf[0] = (pcomp? COMP_PROT: 0) + (accomp? COMP_AC: 0);
- cf[1] = COMP_PROT | COMP_AC;
- if (any_compressions() &&
- strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
- error("Couldn't set prot/AC compression: %m");
- }
- }
-
- /* set the MTU for IP as well */
- memset(&ifr, 0, sizeof(ifr));
- strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
- ifr.ifr_metric = link_mtu;
- if (ioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
- error("Couldn't set IP MTU: %m");
- }
-
-#if defined(INET6) && defined(SOL2)
- fd = socket(AF_INET6, SOCK_DGRAM, 0);
- if (fd < 0)
- error("Couldn't open IPv6 socket: %m");
-
- memset(&lifr, 0, sizeof(lifr));
- strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
- lifr.lifr_mtu = link_mtu;
- if (ioctl(fd, SIOCSLIFMTU, &lifr) < 0) {
- close(fd);
- error("Couldn't set IPv6 MTU: %m");
- }
- close(fd);
-#endif /* defined(INET6) && defined(SOL2) */
-}
-
-/*
- * ppp_set_xaccm - set the extended transmit ACCM for the interface.
- */
-void
-ppp_set_xaccm(unit, accm)
- int unit;
- ext_accm accm;
-{
- if (sync_serial)
- return;
-
- if (fdmuxid >= 0
- && strioctl(pppfd, PPPIO_XACCM, accm, sizeof(ext_accm), 0) < 0) {
- if (!hungup || errno != ENXIO)
- warn("Couldn't set extended ACCM: %m");
- }
-}
-
-/*
- * ppp_recv_config - configure the receive-side characteristics of
- * the ppp interface.
- */
-void
-ppp_recv_config(unit, mru, asyncmap, pcomp, accomp)
- int unit, mru;
- u_int32_t asyncmap;
- int pcomp, accomp;
-{
- int cf[2];
-
- link_mru = mru;
- if (strioctl(pppfd, PPPIO_MRU, &mru, sizeof(mru), 0) < 0) {
- if (hungup && errno == ENXIO)
- return;
- error("Couldn't set MRU: %m");
- }
- if (fdmuxid >= 0) {
- if (!sync_serial) {
- if (strioctl(pppfd, PPPIO_RACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
- error("Couldn't set receive ACCM: %m");
- }
- }
- cf[0] = (pcomp? DECOMP_PROT: 0) + (accomp? DECOMP_AC: 0);
- cf[1] = DECOMP_PROT | DECOMP_AC;
- if (any_compressions() &&
- strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
- error("Couldn't set prot/AC decompression: %m");
- }
- }
-}
-
-/*
- * ccp_test - ask kernel whether a given compression method
- * is acceptable for use.
- */
-int
-ccp_test(unit, opt_ptr, opt_len, for_transmit)
- int unit, opt_len, for_transmit;
- u_char *opt_ptr;
-{
- if (strioctl(pppfd, (for_transmit? PPPIO_XCOMP: PPPIO_RCOMP),
- opt_ptr, opt_len, 0) >= 0)
- return 1;
- return (errno == ENOSR)? 0: -1;
-}
-
-/*
- * ccp_flags_set - inform kernel about the current state of CCP.
- */
-void
-ccp_flags_set(unit, isopen, isup)
- int unit, isopen, isup;
-{
- int cf[2];
-
- cf[0] = (isopen? CCP_ISOPEN: 0) + (isup? CCP_ISUP: 0);
- cf[1] = CCP_ISOPEN | CCP_ISUP | CCP_ERROR | CCP_FATALERROR;
- if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
- if (!hungup || errno != ENXIO)
- error("Couldn't set kernel CCP state: %m");
- }
-}
-
-/*
- * get_idle_time - return how long the link has been idle.
- */
-int
-get_idle_time(u, ip)
- int u;
- struct ppp_idle *ip;
-{
- return strioctl(pppfd, PPPIO_GIDLE, ip, 0, sizeof(struct ppp_idle)) >= 0;
-}
-
-/*
- * get_ppp_stats - return statistics for the link.
- */
-int
-get_ppp_stats(u, stats)
- int u;
- struct pppd_stats *stats;
-{
- struct ppp_stats s;
-
- if (!sync_serial &&
- strioctl(pppfd, PPPIO_GETSTAT, &s, 0, sizeof(s)) < 0) {
- error("Couldn't get link statistics: %m");
- return 0;
- }
- stats->bytes_in = s.p.ppp_ibytes;
- stats->bytes_out = s.p.ppp_obytes;
- return 1;
-}
-
-#if 0
-/*
- * set_filters - transfer the pass and active filters to the kernel.
- */
-int
-set_filters(pass, active)
- struct bpf_program *pass, *active;
-{
- int ret = 1;
-
- if (pass->bf_len > 0) {
- if (strioctl(pppfd, PPPIO_PASSFILT, pass,
- sizeof(struct bpf_program), 0) < 0) {
- error("Couldn't set pass-filter in kernel: %m");
- ret = 0;
- }
- }
- if (active->bf_len > 0) {
- if (strioctl(pppfd, PPPIO_ACTIVEFILT, active,
- sizeof(struct bpf_program), 0) < 0) {
- error("Couldn't set active-filter in kernel: %m");
- ret = 0;
- }
- }
- return ret;
-}
-#endif
-
-/*
- * ccp_fatal_error - returns 1 if decompression was disabled as a
- * result of an error detected after decompression of a packet,
- * 0 otherwise. This is necessary because of patent nonsense.
- */
-int
-ccp_fatal_error(unit)
- int unit;
-{
- int cf[2];
-
- cf[0] = cf[1] = 0;
- if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
- if (errno != ENXIO && errno != EINVAL)
- error("Couldn't get compression flags: %m");
- return 0;
- }
- return cf[0] & CCP_FATALERROR;
-}
-
-/*
- * sifvjcomp - config tcp header compression
- */
-int
-sifvjcomp(u, vjcomp, xcidcomp, xmaxcid)
- int u, vjcomp, xcidcomp, xmaxcid;
-{
- int cf[2];
- char maxcid[2];
-
- if (vjcomp) {
- maxcid[0] = xcidcomp;
- maxcid[1] = 15; /* XXX should be rmaxcid */
- if (strioctl(pppfd, PPPIO_VJINIT, maxcid, sizeof(maxcid), 0) < 0) {
- error("Couldn't initialize VJ compression: %m");
- }
- }
-
- cf[0] = (vjcomp? COMP_VJC + DECOMP_VJC: 0) /* XXX this is wrong */
- + (xcidcomp? COMP_VJCCID + DECOMP_VJCCID: 0);
- cf[1] = COMP_VJC + DECOMP_VJC + COMP_VJCCID + DECOMP_VJCCID;
- if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
- if (vjcomp)
- error("Couldn't enable VJ compression: %m");
- }
-
- return 1;
-}
-
-/*
- * sifup - Config the interface up and enable IP packets to pass.
- */
-int
-sifup(u)
- int u;
-{
- struct ifreq ifr;
-
- strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
- if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
- error("Couldn't mark interface up (get): %m");
- return 0;
- }
- ifr.ifr_flags |= IFF_UP;
- if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
- error("Couldn't mark interface up (set): %m");
- return 0;
- }
- if_is_up = 1;
- return 1;
-}
-
-/*
- * sifdown - Config the interface down and disable IP.
- */
-int
-sifdown(u)
- int u;
-{
- struct ifreq ifr;
-
- if (ipmuxid < 0)
- return 1;
- strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
- if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
- error("Couldn't mark interface down (get): %m");
- return 0;
- }
- ifr.ifr_flags &= ~IFF_UP;
- if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
- error("Couldn't mark interface down (set): %m");
- return 0;
- }
- if_is_up = 0;
- return 1;
-}
-
-/*
- * sifnpmode - Set the mode for handling packets for a given NP.
- */
-int
-sifnpmode(u, proto, mode)
- int u;
- int proto;
- enum NPmode mode;
-{
- int npi[2];
-
- npi[0] = proto;
- npi[1] = (int) mode;
- if (strioctl(pppfd, PPPIO_NPMODE, &npi, 2 * sizeof(int), 0) < 0) {
- error("ioctl(set NP %d mode to %d): %m", proto, mode);
- return 0;
- }
- return 1;
-}
-
-#if defined(SOL2) && defined(INET6)
-/*
- * sif6up - Config the IPv6 interface up and enable IPv6 packets to pass.
- */
-int
-sif6up(u)
- int u;
-{
- struct lifreq lifr;
- int fd;
-
- fd = socket(AF_INET6, SOCK_DGRAM, 0);
- if (fd < 0) {
- return 0;
- }
-
- memset(&lifr, 0, sizeof(lifr));
- strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
- if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
- close(fd);
- return 0;
- }
-
- lifr.lifr_flags |= IFF_UP;
- strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
- if (ioctl(fd, SIOCSLIFFLAGS, &lifr) < 0) {
- close(fd);
- return 0;
- }
-
- if6_is_up = 1;
- close(fd);
- return 1;
-}
-
-/*
- * sifdown - Config the IPv6 interface down and disable IPv6.
- */
-int
-sif6down(u)
- int u;
-{
- struct lifreq lifr;
- int fd;
-
- fd = socket(AF_INET6, SOCK_DGRAM, 0);
- if (fd < 0)
- return 0;
-
- memset(&lifr, 0, sizeof(lifr));
- strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
- if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
- close(fd);
- return 0;
- }
-
- lifr.lifr_flags &= ~IFF_UP;
- strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
- if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
- close(fd);
- return 0;
- }
-
- if6_is_up = 0;
- close(fd);
- return 1;
-}
-
-/*
- * sif6addr - Config the interface with an IPv6 link-local address
- */
-int
-sif6addr(u, o, h)
- int u;
- eui64_t o, h;
-{
- struct lifreq lifr;
- struct sockaddr_storage laddr;
- struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&laddr;
- int fd;
-
- fd = socket(AF_INET6, SOCK_DGRAM, 0);
- if (fd < 0)
- return 0;
-
- memset(&lifr, 0, sizeof(lifr));
- strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
-
- /*
- * Do this because /dev/ppp responds to DL_PHYS_ADDR_REQ with
- * zero values, hence the interface token came to be zero too,
- * and without this, in.ndpd will complain
- */
- IN6_LLTOKEN_FROM_EUI64(lifr, sin6, o);
- if (ioctl(fd, SIOCSLIFTOKEN, &lifr) < 0) {
- close(fd);
- return 0;
- }
-
- /*
- * Set the interface address and destination address
- */
- IN6_LLADDR_FROM_EUI64(lifr, sin6, o);
- if (ioctl(fd, SIOCSLIFADDR, &lifr) < 0) {
- close(fd);
- return 0;
- }
-
- memset(&lifr, 0, sizeof(lifr));
- strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
- IN6_LLADDR_FROM_EUI64(lifr, sin6, h);
- if (ioctl(fd, SIOCSLIFDSTADDR, &lifr) < 0) {
- close(fd);
- return 0;
- }
-
- return 1;
-}
-
-/*
- * cif6addr - Remove the IPv6 address from interface
- */
-int
-cif6addr(u, o, h)
- int u;
- eui64_t o, h;
-{
- return 1;
-}
-
-#endif /* defined(SOL2) && defined(INET6) */
-
-
-#define INET_ADDR(x) (((struct sockaddr_in *) &(x))->sin_addr.s_addr)
-
-/*
- * sifaddr - Config the interface IP addresses and netmask.
- */
-int
-sifaddr(u, o, h, m)
- int u;
- u_int32_t o, h, m;
-{
- struct ifreq ifr;
- int ret = 1;
-
- memset(&ifr, 0, sizeof(ifr));
- strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
- ifr.ifr_addr.sa_family = AF_INET;
- INET_ADDR(ifr.ifr_addr) = m;
- if (ioctl(ipfd, SIOCSIFNETMASK, &ifr) < 0) {
- error("Couldn't set IP netmask: %m");
- ret = 0;
- }
- ifr.ifr_addr.sa_family = AF_INET;
- INET_ADDR(ifr.ifr_addr) = o;
- if (ioctl(ipfd, SIOCSIFADDR, &ifr) < 0) {
- error("Couldn't set local IP address: %m");
- ret = 0;
- }
-
- /*
- * On some systems, we have to explicitly set the point-to-point
- * flag bit before we can set a destination address.
- */
- if (ioctl(ipfd, SIOCGIFFLAGS, &ifr) >= 0
- && (ifr.ifr_flags & IFF_POINTOPOINT) == 0) {
- ifr.ifr_flags |= IFF_POINTOPOINT;
- if (ioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
- error("Couldn't mark interface pt-to-pt: %m");
- ret = 0;
- }
- }
- ifr.ifr_dstaddr.sa_family = AF_INET;
- INET_ADDR(ifr.ifr_dstaddr) = h;
- if (ioctl(ipfd, SIOCSIFDSTADDR, &ifr) < 0) {
- error("Couldn't set remote IP address: %m");
- ret = 0;
- }
-#if 0 /* now done in ppp_send_config */
- ifr.ifr_metric = link_mtu;
- if (ioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
- error("Couldn't set IP MTU: %m");
- }
-#endif
-
- remote_addr = h;
- return ret;
-}
-
-/*
- * cifaddr - Clear the interface IP addresses, and delete routes
- * through the interface if possible.
- */
-int
-cifaddr(u, o, h)
- int u;
- u_int32_t o, h;
-{
-#if defined(__USLC__) /* was: #if 0 */
- cifroute(unit, ouraddr, hisaddr);
- if (ipmuxid >= 0) {
- notice("Removing ppp interface unit");
- if (ioctl(ipfd, I_UNLINK, ipmuxid) < 0) {
- error("Can't remove ppp interface unit: %m");
- return 0;
- }
- ipmuxid = -1;
- }
-#endif
- remote_addr = 0;
- return 1;
-}
-
-/*
- * sifdefaultroute - assign a default route through the address given.
- */
-int
-sifdefaultroute(u, l, g)
- int u;
- u_int32_t l, g;
-{
- struct rtentry rt;
-
-#if defined(__USLC__)
- g = l; /* use the local address as gateway */
-#endif
- memset(&rt, 0, sizeof(rt));
- rt.rt_dst.sa_family = AF_INET;
- INET_ADDR(rt.rt_dst) = 0;
- rt.rt_gateway.sa_family = AF_INET;
- INET_ADDR(rt.rt_gateway) = g;
- rt.rt_flags = RTF_GATEWAY;
-
- if (ioctl(ipfd, SIOCADDRT, &rt) < 0) {
- error("Can't add default route: %m");
- return 0;
- }
-
- default_route_gateway = g;
- return 1;
-}
-
-/*
- * cifdefaultroute - delete a default route through the address given.
- */
-int
-cifdefaultroute(u, l, g)
- int u;
- u_int32_t l, g;
-{
- struct rtentry rt;
-
-#if defined(__USLC__)
- g = l; /* use the local address as gateway */
-#endif
- memset(&rt, 0, sizeof(rt));
- rt.rt_dst.sa_family = AF_INET;
- INET_ADDR(rt.rt_dst) = 0;
- rt.rt_gateway.sa_family = AF_INET;
- INET_ADDR(rt.rt_gateway) = g;
- rt.rt_flags = RTF_GATEWAY;
-
- if (ioctl(ipfd, SIOCDELRT, &rt) < 0) {
- error("Can't delete default route: %m");
- return 0;
- }
-
- default_route_gateway = 0;
- return 1;
-}
-
-/*
- * sifproxyarp - Make a proxy ARP entry for the peer.
- */
-int
-sifproxyarp(unit, hisaddr)
- int unit;
- u_int32_t hisaddr;
-{
- struct arpreq arpreq;
-
- memset(&arpreq, 0, sizeof(arpreq));
- if (!get_ether_addr(hisaddr, &arpreq.arp_ha))
- return 0;
-
- arpreq.arp_pa.sa_family = AF_INET;
- INET_ADDR(arpreq.arp_pa) = hisaddr;
- arpreq.arp_flags = ATF_PERM | ATF_PUBL;
- if (ioctl(ipfd, SIOCSARP, (caddr_t) &arpreq) < 0) {
- error("Couldn't set proxy ARP entry: %m");
- return 0;
- }
-
- proxy_arp_addr = hisaddr;
- return 1;
-}
-
-/*
- * cifproxyarp - Delete the proxy ARP entry for the peer.
- */
-int
-cifproxyarp(unit, hisaddr)
- int unit;
- u_int32_t hisaddr;
-{
- struct arpreq arpreq;
-
- memset(&arpreq, 0, sizeof(arpreq));
- arpreq.arp_pa.sa_family = AF_INET;
- INET_ADDR(arpreq.arp_pa) = hisaddr;
- if (ioctl(ipfd, SIOCDARP, (caddr_t)&arpreq) < 0) {
- error("Couldn't delete proxy ARP entry: %m");
- return 0;
- }
-
- proxy_arp_addr = 0;
- return 1;
-}
-
-/*
- * get_ether_addr - get the hardware address of an interface on the
- * the same subnet as ipaddr.
- */
-#define MAX_IFS 32
-
-static int
-get_ether_addr(ipaddr, hwaddr)
- u_int32_t ipaddr;
- struct sockaddr *hwaddr;
-{
- struct ifreq *ifr, *ifend, ifreq;
- int nif;
- struct ifconf ifc;
- u_int32_t ina, mask;
-
- /*
- * Scan through the system's network interfaces.
- */
-#ifdef SIOCGIFNUM
- if (ioctl(ipfd, SIOCGIFNUM, &nif) < 0)
-#endif
- nif = MAX_IFS;
- ifc.ifc_len = nif * sizeof(struct ifreq);
- ifc.ifc_buf = (caddr_t) malloc(ifc.ifc_len);
- if (ifc.ifc_buf == 0)
- return 0;
- if (ioctl(ipfd, SIOCGIFCONF, &ifc) < 0) {
- warn("Couldn't get system interface list: %m");
- free(ifc.ifc_buf);
- return 0;
- }
- ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
- for (ifr = ifc.ifc_req; ifr < ifend; ++ifr) {
- if (ifr->ifr_addr.sa_family != AF_INET)
- continue;
- /*
- * Check that the interface is up, and not point-to-point or loopback.
- */
- strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
- if (ioctl(ipfd, SIOCGIFFLAGS, &ifreq) < 0)
- continue;
- if ((ifreq.ifr_flags &
- (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
- != (IFF_UP|IFF_BROADCAST))
- continue;
- /*
- * Get its netmask and check that it's on the right subnet.
- */
- if (ioctl(ipfd, SIOCGIFNETMASK, &ifreq) < 0)
- continue;
- ina = INET_ADDR(ifr->ifr_addr);
- mask = INET_ADDR(ifreq.ifr_addr);
- if ((ipaddr & mask) == (ina & mask))
- break;
- }
-
- if (ifr >= ifend) {
- warn("No suitable interface found for proxy ARP");
- free(ifc.ifc_buf);
- return 0;
- }
-
- info("found interface %s for proxy ARP", ifr->ifr_name);
- if (!get_hw_addr(ifr->ifr_name, ina, hwaddr)) {
- error("Couldn't get hardware address for %s", ifr->ifr_name);
- free(ifc.ifc_buf);
- return 0;
- }
-
- free(ifc.ifc_buf);
- return 1;
-}
-
-/*
- * get_hw_addr_dlpi - obtain the hardware address using DLPI
- */
-static int
-get_hw_addr_dlpi(name, hwaddr)
- char *name;
- struct sockaddr *hwaddr;
-{
- char *p, *q;
- int unit, iffd, adrlen;
- unsigned char *adrp;
- char ifdev[24];
- struct {
- union DL_primitives prim;
- char space[64];
- } reply;
-
- /*
- * We have to open the device and ask it for its hardware address.
- * First split apart the device name and unit.
- */
- slprintf(ifdev, sizeof(ifdev), "/dev/%s", name);
- for (q = ifdev + strlen(ifdev); --q >= ifdev; )
- if (!isdigit(*q))
- break;
- unit = atoi(q+1);
- q[1] = 0;
-
- /*
- * Open the device and do a DLPI attach and phys_addr_req.
- */
- iffd = open(ifdev, O_RDWR);
- if (iffd < 0) {
- error("Can't open %s: %m", ifdev);
- return 0;
- }
- if (dlpi_attach(iffd, unit) < 0
- || dlpi_get_reply(iffd, &reply.prim, DL_OK_ACK, sizeof(reply)) < 0
- || dlpi_info_req(iffd) < 0
- || dlpi_get_reply(iffd, &reply.prim, DL_INFO_ACK, sizeof(reply)) < 0) {
- close(iffd);
- return 0;
- }
-
- adrlen = reply.prim.info_ack.dl_addr_length;
- adrp = (unsigned char *)&reply + reply.prim.info_ack.dl_addr_offset;
-
-#if DL_CURRENT_VERSION >= 2
- if (reply.prim.info_ack.dl_sap_length < 0)
- adrlen += reply.prim.info_ack.dl_sap_length;
- else
- adrp += reply.prim.info_ack.dl_sap_length;
-#endif
-
- hwaddr->sa_family = AF_UNSPEC;
- memcpy(hwaddr->sa_data, adrp, adrlen);
-
- return 1;
-}
-/*
- * get_hw_addr - obtain the hardware address for a named interface.
- */
-static int
-get_hw_addr(name, ina, hwaddr)
- char *name;
- u_int32_t ina;
- struct sockaddr *hwaddr;
-{
- /* New way - get the address by doing an arp request. */
- int s;
- struct arpreq req;
-
- s = socket(AF_INET, SOCK_DGRAM, 0);
- if (s < 0)
- return 0;
- memset(&req, 0, sizeof(req));
- req.arp_pa.sa_family = AF_INET;
- INET_ADDR(req.arp_pa) = ina;
- if (ioctl(s, SIOCGARP, &req) < 0) {
- error("Couldn't get ARP entry for %s: %m", ip_ntoa(ina));
- return 0;
- }
- *hwaddr = req.arp_ha;
- hwaddr->sa_family = AF_UNSPEC;
-
- return 1;
-}
-
-static int
-dlpi_attach(fd, ppa)
- int fd, ppa;
-{
- dl_attach_req_t req;
- struct strbuf buf;
-
- req.dl_primitive = DL_ATTACH_REQ;
- req.dl_ppa = ppa;
- buf.len = sizeof(req);
- buf.buf = (void *) &req;
- return putmsg(fd, &buf, NULL, RS_HIPRI);
-}
-
-static int
-dlpi_info_req(fd)
- int fd;
-{
- dl_info_req_t req;
- struct strbuf buf;
-
- req.dl_primitive = DL_INFO_REQ;
- buf.len = sizeof(req);
- buf.buf = (void *) &req;
- return putmsg(fd, &buf, NULL, RS_HIPRI);
-}
-
-static int
-dlpi_get_reply(fd, reply, expected_prim, maxlen)
- union DL_primitives *reply;
- int fd, expected_prim, maxlen;
-{
- struct strbuf buf;
- int flags, n;
- struct pollfd pfd;
-
- /*
- * Use poll to wait for a message with a timeout.
- */
- pfd.fd = fd;
- pfd.events = POLLIN | POLLPRI;
- do {
- n = poll(&pfd, 1, 1000);
- } while (n == -1 && errno == EINTR);
- if (n <= 0)
- return -1;
-
- /*
- * Get the reply.
- */
- buf.maxlen = maxlen;
- buf.buf = (void *) reply;
- flags = 0;
- if (getmsg(fd, &buf, NULL, &flags) < 0)
- return -1;
-
- if (buf.len < sizeof(ulong)) {
- if (debug)
- dbglog("dlpi response short (len=%d)\n", buf.len);
- return -1;
- }
-
- if (reply->dl_primitive == expected_prim)
- return 0;
-
- if (debug) {
- if (reply->dl_primitive == DL_ERROR_ACK) {
- dbglog("dlpi error %d (unix errno %d) for prim %x\n",
- reply->error_ack.dl_errno, reply->error_ack.dl_unix_errno,
- reply->error_ack.dl_error_primitive);
- } else {
- dbglog("dlpi unexpected response prim %x\n",
- reply->dl_primitive);
- }
- }
-
- return -1;
-}
-
-/*
- * Return user specified netmask, modified by any mask we might determine
- * for address `addr' (in network byte order).
- * Here we scan through the system's list of interfaces, looking for
- * any non-point-to-point interfaces which might appear to be on the same
- * network as `addr'. If we find any, we OR in their netmask to the
- * user-specified netmask.
- */
-u_int32_t
-GetMask(addr)
- u_int32_t addr;
-{
- u_int32_t mask, nmask, ina;
- struct ifreq *ifr, *ifend, ifreq;
- int nif;
- struct ifconf ifc;
-
- addr = ntohl(addr);
- if (IN_CLASSA(addr)) /* determine network mask for address class */
- nmask = IN_CLASSA_NET;
- else if (IN_CLASSB(addr))
- nmask = IN_CLASSB_NET;
- else
- nmask = IN_CLASSC_NET;
- /* class D nets are disallowed by bad_ip_adrs */
- mask = netmask | htonl(nmask);
-
- /*
- * Scan through the system's network interfaces.
- */
-#ifdef SIOCGIFNUM
- if (ioctl(ipfd, SIOCGIFNUM, &nif) < 0)
-#endif
- nif = MAX_IFS;
- ifc.ifc_len = nif * sizeof(struct ifreq);
- ifc.ifc_buf = (caddr_t) malloc(ifc.ifc_len);
- if (ifc.ifc_buf == 0)
- return mask;
- if (ioctl(ipfd, SIOCGIFCONF, &ifc) < 0) {
- warn("Couldn't get system interface list: %m");
- free(ifc.ifc_buf);
- return mask;
- }
- ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
- for (ifr = ifc.ifc_req; ifr < ifend; ++ifr) {
- /*
- * Check the interface's internet address.
- */
- if (ifr->ifr_addr.sa_family != AF_INET)
- continue;
- ina = INET_ADDR(ifr->ifr_addr);
- if ((ntohl(ina) & nmask) != (addr & nmask))
- continue;
- /*
- * Check that the interface is up, and not point-to-point or loopback.
- */
- strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
- if (ioctl(ipfd, SIOCGIFFLAGS, &ifreq) < 0)
- continue;
- if ((ifreq.ifr_flags & (IFF_UP|IFF_POINTOPOINT|IFF_LOOPBACK))
- != IFF_UP)
- continue;
- /*
- * Get its netmask and OR it into our mask.
- */
- if (ioctl(ipfd, SIOCGIFNETMASK, &ifreq) < 0)
- continue;
- mask |= INET_ADDR(ifreq.ifr_addr);
- }
-
- free(ifc.ifc_buf);
- return mask;
-}
-
-/*
- * logwtmp - write an accounting record to the /var/adm/wtmp file.
- */
-void
-logwtmp(line, name, host)
- const char *line, *name, *host;
-{
- static struct utmpx utmpx;
-
- if (name[0] != 0) {
- /* logging in */
- strncpy(utmpx.ut_user, name, sizeof(utmpx.ut_user));
- strncpy(utmpx.ut_id, ifname, sizeof(utmpx.ut_id));
- strncpy(utmpx.ut_line, line, sizeof(utmpx.ut_line));
- utmpx.ut_pid = getpid();
- utmpx.ut_type = USER_PROCESS;
- } else {
- utmpx.ut_type = DEAD_PROCESS;
- }
- gettimeofday(&utmpx.ut_tv, NULL);
- updwtmpx("/var/adm/wtmpx", &utmpx);
-}
-
-/*
- * get_host_seed - return the serial number of this machine.
- */
-int
-get_host_seed()
-{
- char buf[32];
-
- if (sysinfo(SI_HW_SERIAL, buf, sizeof(buf)) < 0) {
- error("sysinfo: %m");
- return 0;
- }
- return (int) strtoul(buf, NULL, 16);
-}
-
-static int
-strioctl(fd, cmd, ptr, ilen, olen)
- int fd, cmd, ilen, olen;
- void *ptr;
-{
- struct strioctl str;
-
- str.ic_cmd = cmd;
- str.ic_timout = 0;
- str.ic_len = ilen;
- str.ic_dp = ptr;
- if (ioctl(fd, I_STR, &str) == -1)
- return -1;
- if (str.ic_len != olen)
- dbglog("strioctl: expected %d bytes, got %d for cmd %x\n",
- olen, str.ic_len, cmd);
- return 0;
-}
-
-#if 0
-/*
- * lock - create a lock file for the named lock device
- */
-
-#define LOCK_PREFIX "/var/spool/locks/LK."
-static char lock_file[40]; /* name of lock file created */
-
-int
-lock(dev)
- char *dev;
-{
- int n, fd, pid;
- struct stat sbuf;
- char ascii_pid[12];
-
- if (stat(dev, &sbuf) < 0) {
- error("Can't get device number for %s: %m", dev);
- return -1;
- }
- if ((sbuf.st_mode & S_IFMT) != S_IFCHR) {
- error("Can't lock %s: not a character device", dev);
- return -1;
- }
- slprintf(lock_file, sizeof(lock_file), "%s%03d.%03d.%03d",
- LOCK_PREFIX, major(sbuf.st_dev),
- major(sbuf.st_rdev), minor(sbuf.st_rdev));
-
- while ((fd = open(lock_file, O_EXCL | O_CREAT | O_RDWR, 0644)) < 0) {
- if (errno == EEXIST
- && (fd = open(lock_file, O_RDONLY, 0)) >= 0) {
- /* Read the lock file to find out who has the device locked */
- n = read(fd, ascii_pid, 11);
- if (n <= 0) {
- error("Can't read pid from lock file %s", lock_file);
- close(fd);
- } else {
- ascii_pid[n] = 0;
- pid = atoi(ascii_pid);
- if (pid > 0 && kill(pid, 0) == -1 && errno == ESRCH) {
- /* pid no longer exists - remove the lock file */
- if (unlink(lock_file) == 0) {
- close(fd);
- notice("Removed stale lock on %s (pid %d)",
- dev, pid);
- continue;
- } else
- warn("Couldn't remove stale lock on %s",
- dev);
- } else
- notice("Device %s is locked by pid %d",
- dev, pid);
- }
- close(fd);
- } else
- error("Can't create lock file %s: %m", lock_file);
- lock_file[0] = 0;
- return -1;
- }
-
- slprintf(ascii_pid, sizeof(ascii_pid), "%10d\n", getpid());
- write(fd, ascii_pid, 11);
-
- close(fd);
- return 1;
-}
-
-/*
- * unlock - remove our lockfile
- */
-void
-unlock()
-{
- if (lock_file[0]) {
- unlink(lock_file);
- lock_file[0] = 0;
- }
-}
-#endif
-
-/*
- * cifroute - delete a route through the addresses given.
- */
-int
-cifroute(u, our, his)
- int u;
- u_int32_t our, his;
-{
- struct rtentry rt;
-
- memset(&rt, 0, sizeof(rt));
- rt.rt_dst.sa_family = AF_INET;
- INET_ADDR(rt.rt_dst) = his;
- rt.rt_gateway.sa_family = AF_INET;
- INET_ADDR(rt.rt_gateway) = our;
- rt.rt_flags = RTF_HOST;
-
- if (ioctl(ipfd, SIOCDELRT, &rt) < 0) {
- error("Can't delete route: %m");
- return 0;
- }
-
- return 1;
-}
-
-/*
- * have_route_to - determine if the system has a route to the specified
- * IP address. Returns 0 if not, 1 if so, -1 if we can't tell.
- * `addr' is in network byte order.
- * For demand mode to work properly, we have to ignore routes
- * through our own interface.
- */
-#ifndef T_CURRENT /* needed for Solaris 2.5 */
-#define T_CURRENT MI_T_CURRENT
-#endif
-
-int
-have_route_to(addr)
- u_int32_t addr;
-{
-#ifdef SOL2
- int fd, r, flags, i;
- struct {
- struct T_optmgmt_req req;
- struct opthdr hdr;
- } req;
- union {
- struct T_optmgmt_ack ack;
- unsigned char space[64];
- } ack;
- struct opthdr *rh;
- struct strbuf cbuf, dbuf;
- int nroutes;
- mib2_ipRouteEntry_t routes[8];
- mib2_ipRouteEntry_t *rp;
-
- fd = open(mux_dev_name, O_RDWR);
- if (fd < 0) {
- warn("have_route_to: couldn't open %s: %m", mux_dev_name);
- return -1;
- }
-
- req.req.PRIM_type = T_OPTMGMT_REQ;
- req.req.OPT_offset = (char *) &req.hdr - (char *) &req;
- req.req.OPT_length = sizeof(req.hdr);
- req.req.MGMT_flags = T_CURRENT;
-
- req.hdr.level = MIB2_IP;
- req.hdr.name = 0;
- req.hdr.len = 0;
-
- cbuf.buf = (char *) &req;
- cbuf.len = sizeof(req);
-
- if (putmsg(fd, &cbuf, NULL, 0) == -1) {
- warn("have_route_to: putmsg: %m");
- close(fd);
- return -1;
- }
-
- for (;;) {
- cbuf.buf = (char *) &ack;
- cbuf.maxlen = sizeof(ack);
- dbuf.buf = (char *) routes;
- dbuf.maxlen = sizeof(routes);
- flags = 0;
- r = getmsg(fd, &cbuf, &dbuf, &flags);
- if (r == -1) {
- warn("have_route_to: getmsg: %m");
- close(fd);
- return -1;
- }
-
- if (cbuf.len < sizeof(struct T_optmgmt_ack)
- || ack.ack.PRIM_type != T_OPTMGMT_ACK
- || ack.ack.MGMT_flags != T_SUCCESS
- || ack.ack.OPT_length < sizeof(struct opthdr)) {
- dbglog("have_route_to: bad message len=%d prim=%d",
- cbuf.len, ack.ack.PRIM_type);
- close(fd);
- return -1;
- }
-
- rh = (struct opthdr *) ((char *)&ack + ack.ack.OPT_offset);
- if (rh->level == 0 && rh->name == 0)
- break;
- if (rh->level != MIB2_IP || rh->name != MIB2_IP_21) {
- while (r == MOREDATA)
- r = getmsg(fd, NULL, &dbuf, &flags);
- continue;
- }
-
- for (;;) {
- nroutes = dbuf.len / sizeof(mib2_ipRouteEntry_t);
- for (rp = routes, i = 0; i < nroutes; ++i, ++rp) {
- if (rp->ipRouteMask != ~0) {
- dbglog("have_route_to: dest=%x gw=%x mask=%x\n",
- rp->ipRouteDest, rp->ipRouteNextHop,
- rp->ipRouteMask);
- if (((addr ^ rp->ipRouteDest) & rp->ipRouteMask) == 0
- && rp->ipRouteNextHop != remote_addr)
- return 1;
- }
- }
- if (r == 0)
- break;
- r = getmsg(fd, NULL, &dbuf, &flags);
- }
- }
- close(fd);
- return 0;
-#else
- return -1;
-#endif /* SOL2 */
-}
-
-/*
- * get_pty - get a pty master/slave pair and chown the slave side to
- * the uid given. Assumes slave_name points to MAXPATHLEN bytes of space.
- */
-int
-get_pty(master_fdp, slave_fdp, slave_name, uid)
- int *master_fdp;
- int *slave_fdp;
- char *slave_name;
- int uid;
-{
- int mfd, sfd;
- char *pty_name;
- struct termios tios;
-
- mfd = open("/dev/ptmx", O_RDWR);
- if (mfd < 0) {
- error("Couldn't open pty master: %m");
- return 0;
- }
-
- pty_name = ptsname(mfd);
- if (pty_name == NULL) {
- error("Couldn't get name of pty slave");
- close(mfd);
- return 0;
- }
- if (chown(pty_name, uid, -1) < 0)
- warn("Couldn't change owner of pty slave: %m");
- if (chmod(pty_name, S_IRUSR | S_IWUSR) < 0)
- warn("Couldn't change permissions on pty slave: %m");
- if (unlockpt(mfd) < 0)
- warn("Couldn't unlock pty slave: %m");
-
- sfd = open(pty_name, O_RDWR);
- if (sfd < 0) {
- error("Couldn't open pty slave %s: %m", pty_name);
- close(mfd);
- return 0;
- }
- if (ioctl(sfd, I_PUSH, "ptem") < 0)
- warn("Couldn't push ptem module on pty slave: %m");
-
- dbglog("Using %s", pty_name);
- strlcpy(slave_name, pty_name, MAXPATHLEN);
- *master_fdp = mfd;
- *slave_fdp = sfd;
-
- return 1;
-}
projects / ppp.git / blobdiff